3139207 has 2 divisors, whose sum is σ = 3139208. Its totient is φ = 3139206.

The previous prime is 3139193. The next prime is 3139231. The reversal of 3139207 is 7029313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3139207 - 2¹¹ = 3137159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569603 + 1569604.

It is an arithmetic number, because the mean of its divisors is an integer number (1569604).

Almost surely, 2^3139207 is an apocalyptic number.

3139207 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139207 is an equidigital number, since it uses as much as digits as its factorization.

3139207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3139207 is about 1771.7807426428. The cubic root of 3139207 is about 146.4221067824.

The spelling of 3139207 in words is "three million, one hundred thirty-nine thousand, two hundred seven".